* parser.l: Support hex and octal escapes in string and quasiliterals,

as the documentation says. Also support an optional trailing ;
delimiter in hex escapes.

* txr.1: Documented.

1 files changed, 5 insertions, 0 deletions

diff --git a/parser.l b/parser.l
index d9883e6c..5ef544e1 100644
--- a/parser.l
+++ b/parser.l
@@ -584,6 +584,11 @@ UONLY   {U2}{U}|{U3}{U}{U}|{U4}{U}{U}{U}
                                   lineno++;
                                 }
                                 
+<STRLIT,QSILIT>[\\](x{HEX}+;?|o{OCT}+)  {
+                                          yylval.chr = num_esc(yytext+1);
+                                          return LITCHAR;
+                                        }
+
 <CHRLIT>(x{HEX}+|o{OCT}+) {
                             yylval.chr = num_esc(yytext);
                             return LITCHAR;